PFR5-4026BLK – Rear Diff Rear Mounting Bush (Track) – BMW M2C / M3 / M4 (F8X)

The Powerflex Black Series Rear Diff Rear Mounting Bush offers maximum stiffness and durability for the F8X platform. Designed for aggressive fast-road, track and high-power S55 builds, it eliminates rear diff movement and improves traction during hard launches and cornering loads.

Fitment: BMW F80 M3, F82/F83 M4, F87 M2 Competition/CS
SKU: PFR5-4026BLK

Key Features

Black Series Motorsport Polyurethane

– Hardest material in the Powerflex lineup
– Zero-flex design for ultimate control
– Built for track, drift and high-torque builds

Reduces Differential Movement

– Keeps diff firmly located
– Improves power transfer
– Reduces wheel hop under load

Direct OEM Replacement

– Press-in fitment
– No modifications required

Benefits

– Maximum drivetrain stability
– Sharper throttle and acceleration response
– More consistent traction in all conditions
– Stronger rear-end control during cornering

Fitment

– BMW F87 M2 Competition / CS
– BMW F80 M3
– BMW F82/F83 M4
SKU: PFR5-4026BLK

Installation Notes

– Pressing tools required
– Recommended: professional installation

About Powerflex

Powerflex Black Series bushes are engineered for maximum rigidity and motorsport performance, offering improved stability and precision on high-load applications.